Merge pull request #264 from stevepiercy/master

Improve reST syntax, grammar.

docs/index.txt

@@ -103,18 +103,18 @@ is mounted at ``http://localhost/app-root``.
 
 ``req.url``:
     The full request URL, with query string, e.g.,
-    ``'http://localhost/app-root/doc?article_id=10'``
+    ``'http://localhost/app-root/doc?article_id=10'``.
 
 ``req.application_url``:
-    The URL of the application (just the SCRIPT_NAME portion of the
-    path, not PATH_INFO).  E.g., ``'http://localhost/app-root'``
+    The URL of the application (just the ``SCRIPT_NAME`` portion of the
+    path, not ``PATH_INFO``), e.g., ``'http://localhost/app-root'``.
 
 ``req.host_url``:
-    The URL with the host, e.g., ``'http://localhost'``
+    The URL with the host, e.g., ``'http://localhost'``.
 
 ``req.relative_url(url, to_application=False)``:
     Gives a URL, relative to the current URL.  If ``to_application``
-    is True, then resolves it relative to ``req.application_url``.
+    is True, then the URL is resolved relative to ``req.application_url``.
 
 Methods
 -------